For the JBL Extreme 4, battery life gets a big boost and now stands at 24 hours compared to 15 hours on the previous model. If that’s not enough, for the first time the Xtreme features a ...
For the JBL Extreme 4, battery life gets a big boost and now stands at 24 hours compared to 15 hours on the previous model. If that’s not enough, for the first time the Xtreme features a replaceable ...